Cushion fastener



FIG. 1 is a perspective view of our design for a cushion fastener;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a perspective view showing the claimed design of FIGS. 1-4 in a possible use environment; and,

FIG. 6 is a second perspective view thereof, shown in use.

The broken lines illustrate environmental structure or features that form no part of the claimed design. 

CLAIM The ornamental design for a cushion fastener, as shown and described. 